Products Bisphenol A has been used in the manufacture of plastics since the 1950s and can be found, for example, in plastic bottles, in the inner coating of beverage cans and canned foods, in thermal paper (sales slips, parking tickets), in CDs, DVDs, toys, plastic tableware, dental fillings and many other products. It was also … Bisphenol A
Products Castellani solution is not commercially available as a registered finished drug in many countries and must be prepared in a pharmacy as an extemporaneous preparation. Retailers can also order it from specialized suppliers. The drug is named after Aldo Castellani (1877-1971), a well-known Italian tropical physician who developed it in the 1920s. Ingredients Traditional … Castellani Solution
Definition and properties The boiling point is the characteristic temperature at which a substance passes from the liquid to the gaseous state. The liquid and gaseous phases are in equilibrium at this point. A typical example is water, which starts boiling at 100 °C and becomes water vapor. The boiling point depends on the pressure. … Boiling Point
Definition Ketones are organic compounds containing a carbonyl group (C=O) with two aliphatic or aromatic radicals (R1, R2) attached to its carbon atom. In aldehydes, one of the radicals is a hydrogen atom (H). Ketones can be synthesized, for example, by oxidation of alkoles. The simplest representative is acetone. Nomenclature Ketones are usually named with … Ketones
Definition Peroxides are organic or inorganic compounds with the general chemical structure R1-O-O-R2. The simplest and best known representative is hydrogen peroxide (H2O2): H-O-O-H. Peroxides can also form the peroxide anion O22−, for example, lithium peroxide: Li2O2. Nomenclature The trivial names of peroxides are often formed with the suffix -peroxide or the prefix Per-. Representative … Peroxides
Products Glycerol (synonym: glycerol) is contained in numerous drugs as a pharmaceutical excipient. As an active ingredient, it is mainly used as a laxative in the form of suppositories or as an enema (e.g., Bulboid). Structure and properties Glycerol or propane-1,2,3-triol (C3H8O3, Mr = 92.1 g/mol) is a colorless, clear, fatty-feeling, syrupy, very hygroscopic liquid … Glycerol
Products Isopropanol is available as a pure substance in pharmacies and drugstores. A common aqueous dilution is 70% (V/V). WHO has published a manufacturing specification of 75% (V/V) for hand disinfection, which also contains glycerol and hydrogen peroxide. Isopropanol is also known as isopropy alcohol or alcohol isopropylicus, and the systematic name is propan-2-ol. Structure … Isopropanol
Definition On the one hand, drugs contain the active ingredients that mediate the pharmacological effects. On the other hand, they consist of excipients, which are used for the production or to support and regulate the drug effect. Placebos, which consist only of excipients and contain no active ingredients, are an exception. Excipients can be of … Auxiliary Materials
Products Ginkgo extract is commercially available in the form of capsules, film-coated tablets, and as drops (e.g., Symfona, Tebokan, Tebofortin, Rezirkane), among others. In addition, dried ginkgo leaves are also available. It is recommended to use standardized and refined special extracts, as these contain the relevant ingredients and are free from undesirable substances, especially the … Ginkgo Health Benefits
Products As a pure substance, propylene glycol is available in pharmacies and drugstores, among other places. It is contained in many medicines, medical devices and cosmetics, for example in gels, creams, preparations for inhalation, injectables and film-coated tablets. Structure and properties Propylene glycol or propane-1,2-diol (C3H8O2, Mr = 76.1 g/mol) is a racemate. It exists … Propylene Glycol
Products Wound gasoline is available in pharmacies and drugstores as an open product. It is also referred to as medicinal benzine. Wound gasoline belongs to the light and pure benzines. It is monographed in many countries in the Pharmacopoea Helvetica and this already in the early editions (e.g. Editio Quinta, 1933). The German and Austrian … Wound Fuel
Symptoms Rosacea is a chronic inflammatory skin disorder of the face that typically affects the cheeks, nose, chin, and central forehead symmetrically (Figure). The skin around the eyes is left out. It occurs more often in people with fair skin and in middle age, but it can occur in any skin type and at any … Rosacea Causes and Treatment